77234679 has 6 divisors (see below), whose sum is σ = 111561216. Its totient is φ = 51489780.

The previous prime is 77234629. The next prime is 77234681. The reversal of 77234679 is 97643277.

It is a happy number.

It is not a de Polignac number, because 77234679 - 2⁹ = 77234167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77234629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4290807 + ... + 4290824.

It is an arithmetic number, because the mean of its divisors is an integer number (18593536).

Almost surely, 2^77234679 is an apocalyptic number.

77234679 is a deficient number, since it is larger than the sum of its proper divisors (34326537).

77234679 is a wasteful number, since it uses less digits than its factorization.

77234679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581637 (or 8581634 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 77234679 is about 8788.3262911660. The cubic root of 77234679 is about 425.8638558533.

The spelling of 77234679 in words is "seventy-seven million, two hundred thirty-four thousand, six hundred seventy-nine".